using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class MovingPlatform : MonoBehaviour
{
    public ConditionCkecker conditionChecker;
    public Transform destination;
    public Transform origin;

    public float speed;
    private Transform endPoint;

    private float timer = 0;
    private bool positiveDirection;
    Dictionary<Collider, Transform> transformsParents = new Dictionary<Collider, Transform>();
    // Start is called before the first frame update
    void Start()
    {
        positiveDirection = true;
        transform.position = origin.position;

        if (!positiveDirection)
        {
            endPoint = origin;
        }
        else
        {
            endPoint = destination;
        }
    }

    // Update is called once per frame
    void Update()
    {
        if (conditionChecker.CheckConditions())
        {
            

            if (Vector3.Distance(transform.position, endPoint.position) > 0.1)
            {
                if (positiveDirection)
                {
                    timer += Time.deltaTime * speed;
                } else
                {
                    timer -= Time.deltaTime * speed;
                }
               

                transform.position = Vector3.MoveTowards(origin.position, destination.position, timer);
            } else
            {

                positiveDirection = !positiveDirection;
                if (!positiveDirection)
                {
                    endPoint = origin;
                } else
                {
                    endPoint = destination;
                }
                
            }
        }
    }

    public void OnReload()
    {
        timer = 0;
        endPoint = destination;
    }

    private void OnTriggerStay(Collider other)
    {
        if (!transformsParents.ContainsKey(other))
        {
            transformsParents.Add(other, other.transform.parent);
            
        }

        if (other.transform.parent != transform)
        {
            other.transform.SetParent(transform);
        }
    }
    private void OnTriggerExit(Collider other)
    {
        Transform tr;
        if (transformsParents.TryGetValue(other,out tr))
        {
            other.transform.SetParent(tr);
            transformsParents.Remove(other);
        }
    }
}